Senior SQL Server DBA – Charlotte, NC – Onsite

Tech Mirrors; Charlotte (TX); On-site; USD 100,000 - 130,000; Full time

Job summary

Tech Mirrors is seeking a Senior SQL Server DBA for an onsite position in Charlotte, TX. This role serves as a bridge between database and infrastructure teams, ensuring SQL Server environments are optimized and ready for migration execution.

The ideal candidate has robust SQL Server DBA experience, especially in high availability and disaster recovery. Responsibilities include validating infrastructure, diagnosing performance issues, and collaborating across teams to resolve challenges.

Qualifications

• Strong SQL Server DBA experience in high availability and disaster recovery.
• Good understanding of Windows Failover Clustering and virtualization platforms.
• Ability to analyze disk latency, CPU contention, and network throughput.

Responsibilities

• Validate infrastructure readiness for SQL Server workloads.
• Diagnose performance issues related to IO bottlenecks, CPU contention, and network latency.
• Assist in AG migration execution and performance monitoring.

Skills

Strong SQL Server DBA experience (HA/DR + performance)

Good understanding of Windows Failover Clustering

Proficient in virtualization platforms (VMware/Hyper V/Azure)

Strong problem solving and troubleshooting skills

Experience in cross team (infra + DBA) collaboration

Tools

SentryOne

OEM

Job description

Role: Senior SQL Server DBA

Location: Charlotte, NC – Onsite

Contract position

Job Description

Acts as a bridge between database and infrastructure teams, ensuring SQL Server environments are correctly configured, performant, and ready for AG based migration execution.

Key Responsibilities

• Validate infrastructure readiness for SQL Server workloads
  • Storage configuration (data/log/tempdb separation)
  • Disk latency and throughput
  • VM sizing (CPU, memory)
• Diagnose performance issues related to
  • IO bottlenecks
  • CPU contention
  • Network latency
• Validate and troubleshoot
  • Windows Failover Clusters
  • AG connectivity and endpoints
  • Listener and DNS configurations
• Assist in AG migration execution and performance monitoring
• Analyze SQL waits and correlate with infra metrics
• Work closely with infra teams to resolve
  • Storage performance issues
  • Network/firewall delays
  • Cluster misconfigurations
• Contribute to automation of validation and health checks

Required Skills

• Strong SQL Server DBA experience (HA/DR + performance)
• Good understanding of
  • Windows Failover Clustering
  • Virtualization platforms (VMware/Hyper V/Azure)
• Ability to interpret
  • Disk latency (ms)
  • CPU ready / contention
  • Network throughput
• Strong problem solving and troubleshooting skills
• Experience in cross team (infra + DBA) collaboration

Nice to Have

• Exposure to SAN / storage architecture
• Experience troubleshooting performance in virtualized environments
• Monitoring tools experience (SentryOne, OEM, etc.)